1. Department of International Environment and Resources Policy, Tohoku University, Sendai, Miyagi, Japan
2. Department of Political Science and School of Public Policy and Urban Affairs, Northeastern University, Boston, MA, USA
3. Department of Clinical Psychology, Institute of Psychology, University of Brasilia, Brasilia, Federal District, Brazil
4. Department of Shipping and Transportation Management of National Taiwan Ocean University, Keelung, Taiwan
5. Department of Oral Health Promotion of the Tokyo Medical and Dental Unviersity, Tokyo, Japan